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Well kown PORT numbers UDP

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pavan2312's version from 2015-12-31 01:34

UDP-related

Question Answer
7Echos receieved datagram
9Discard any datagram received
11Active Users
13Returns date and time
17Returns Quote of the day
19Chargen - Returns a string of characters
53DNS
67BOOTPS(UDP)
68BOOTPC
69Trivial File Transwer Protocol
111Remote Procedure Call
123Network Time Protocol
161SNMP-Simple Network Management Protocol
162SNMP-Simple Network Management Protocol(trap)
memorize

TCP-related

Question Answer
20File Transfer Protocol Data
21FTP Control
23TELNET
25SMTP
67BOOTP
79Finger
80HTTP
111RPC
memorize

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